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This analytical approach shows that, as increasing the wear flat of indenter, the maximum indentation force needed to develop critical plastic zone increases and its corresponding critical penetration depth also increases slightly, Note that the effect of wear flat will affect rock fracture behavior. In addition, regarding the simulation of the effect of doubled-indenters, result shows that two adjacent indenters may interact each other as reaching the transient/critical relative space between indenters of 2~3. It dicpicts that a proper spacing arrangement between indenters may enhance a efficient mechanical cutting due to the less required maximum indentation force and energy dissipation.

由数值模拟之结果得知，当楔尖磨耗增加时，岩材产生脆性破坏之初裂贯切力随之增加，而其对应之临界贯入深度则亦微幅增加，故磨耗效应确会干扰岩材脆性破坏机制之形成；而由双刀效应之模拟，可知两贯切刀楔互制影响之破坏裂缝生、衍行为，当双刀相对刀距为时，岩材之破坏特徵有明显变化，即定义此为临界相对刀距，并探讨其产生脆性破坏所需初裂贯切力之变动范围及应力重叠区，由此得知适当之刀距安排将有助於减少能量之耗损。

This thesis focuses on maximum-power-point-tracking algorithm applying for wind-turbine generator system. The system includes the serve-motor, induction generator, three-phase full bridge rectifier, buck converter and fixed load. This thesis uses traditional Current Perturbation Algorithm as well as Perturbation Stochastic Approximation Algorithm to implemented with Matlab/simlink and hardware to achieve the maximum power tracking.

本文针对风力发电系统提出最大功率追踪法则，整体系统架构包含了伺服马达、感应发电机、三相全桥式整流器、降压直流转换器和固定负载，并由传统电流型扰动观察法合并扰动近似演算法，进行Matlab/simlink 模拟与电路实作设计来完成最大功率追踪。

The law was alike between initial stage and the peak of growth, but the rates reaching maximum of negative and positive were in the different soil depths , and the inflexions of increment anti decrement by degrees were also different. The soil water content in terminal stage increased positively, and in surface reached the maximum, but decreased with the depths, except a little increment in the depth of 460~600cm.

年生长季内，不同生长时期，土壤含水量变化的速度不同，生长初期和生长旺季的规律相似，但速度出现负的最大和正的最大所在的土层深度不同，速度递增和递减所在的土层深度也不同，生长末期速度均为正值，表层最大，随土层深度的加深，速度递减，但到460~600 cm处速度略有增加。

This involves a combination of maximum ingroup profit and maximum difference?

有所偏袒？这包含了最大本组利益和最大两组间差距的结合。

This involves a combination of maximum ingroup profit and maximum difference?

有所偏袒？这包含了最大本组利益和最大两组差距的结合。

Using high frequency induction brazing and TiZrNiCu filler metal, the shear strengths of the joints were low. The maximum shear strengh was only 102.1MPa, which was lower than the maximum strength of vacuum brazing. The reasons may be that excessive intermetallics, holes and oxidation existed in the joint. So TiZrNiCu filler metal isn't fit for non-vacuum brazing.The stress variation, stress distribution and crack-sensitive regions during the cooling process of brazing have been studied by Marc non-linear software.

采用气体保护高频感应加热、TiZrNiCu钎料钎焊时，接头的强度普遍偏低，最高的剪切强度只有102.1MPa，远远低于辐射加热真空钎焊的强度，其原因是接头中局部生成了过量的金属间化合物，且产生氧化，接头中含有较多的气孔等影响了接头强度，因此可以认为TiZrNiCu钎料不适合在非真空条件下的钎焊。

1Mm ~~ 500mm2024: 2.5mm ~ 300mm 5052:0.4 mm ~ 100mm2, copper alloys: brass, brass environmental protection the minimum diameter of 1.5mm, maximum diameter 120mm , copper, tungsten copper, bronze (high, medium and low, chromium bronze, phosphor bronze, aluminum-bronze, silicon bronze, manganese Bronze, tin bronze, wear-resistant copper, copper alloy, copper Cup with disabilities (including plate, rod, row, ribbons, sticks, pipes, lines), such as several varieties. 3, China imported stainless steel material (304 , 301,316,202, including plates, rods, line and belt, sticks, Pai, possession) and many other industrial raw materials, as well as titanium, titanium rods. 316 diameter of the smallest of imports of stainless steel wire 0.2mm , maximum diameter of 15mm.

1mm~~500mm2024：2.5mm~300mm 5052：0.4mm~100mm2、合金铜材：黄铜、环保黄铜（最小直径1.5mm，最大直径120mm、红铜、钨铜、铍青铜、铬青铜、磷青铜、铝青铜、硅青铜、锰青铜、锡青铜、耐磨铜、合金铜、杯士铜（其中包括板、棒、排、带、枝、管、线）等数种品种。3、国产进口不锈钢材料（304、301、316、202中包括板、棒、线、带、枝、排、管）等多种工业原材料，以及钛板、钛棒。316不锈钢线进口直径最小0.2mm，最大直径15mm。

The only oral drugs that have been proven to be safe in pregnantwomen are methyldopa (250 mg twice daily orally, maximum dose 4g/day), and beta-blockers, such as labetalol (100 mg twice dailyorally, maximum dose 2400 mg/day).

唯一证实对孕妇安全的口服药物是甲基多巴（250mg每天两次口服，最大剂量是4g。/天）和β－受体阻滞剂，如拉贝洛尔（100mg每天两次口服，最大剂量2400mg/天

The only oral drugs that have been proven to be safe in pregnant women are methyldopa (250 mg twice daily orally, maximum dose 4 g/day), and beta-blockers, such as labetalol (100 mg twice daily orally, maximum dose 2400 mg/day).

唯一证实对孕妇安全的口服药物是甲基多巴（250mg每天两次口服，最大剂量是4g。/天）和β－受体阻滞剂，如拉贝洛尔（100mg每天两次口服，最大剂量2400mg/天

However, it is not enough to fill up the absence point only using mid-value of maximum Frequency area, it is better to fill up the absence point also using mid-value of second maximum Frequency area.

另外，在补缺测值时，仅利用x_对应区间的中值来补缺测值有时效果不明显，进一步利用次最大频率x_(max1)所对应区间的中值，可以更加有效地填补缺测点。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。